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🔧 Lock it down like a pro—because your bolts deserve the best!
Loctite 37701 Red High Strength Threadlocker Stick is a professional-grade anaerobic adhesive designed for heavy-duty automotive and industrial applications. It bonds metal fasteners from 6mm to 19mm with exceptional strength, sets quickly in 10 minutes, and resists heat up to 140°F. Trusted by OEMs and maintenance pros alike, this gel stick offers superior oil tolerance and vibration resistance, ensuring your critical components stay securely fastened under extreme conditions.









| ASIN | B0053ZNNC4 |
| Best Sellers Rank | #16,152 in Automotive ( See Top 100 in Automotive ) #39 in Thread Lock Sealers |
| Brand | Loctite |
| Brand Name | Loctite |
| Color | Red |
| Compatible Material | Metal, Stainless Stell |
| Container Type | Stick |
| Customer Reviews | 4.7 out of 5 stars 859 Reviews |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00079340377011 |
| Included Components | (1) LOCTITE 268 Red Threadlocker | Red, 9 Gram Wax Stick |
| Item Form | Gel |
| Item Package Quantity | 1 |
| Item Type Name | automotive-thread-lock-sealers |
| Item Weight | 0.05 Pounds |
| Manufacturer | Loctite |
| Material | Anaerobic Adhesive |
| Material Type | Anaerobic Adhesive |
| Model | 37701 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Strong |
| Part Number | 511537 |
| Special Feature | Strong |
| Specific Uses For Product | Fleet and plant maintenance. |
| UPC | 826732897349 079340377011 |
| Volume | 10 Cubic Inches |
| Water Resistance Level | Not Water Resistant |
N**K
Great product
The thread locker works like it’s supposed to and the big bonus is it don’t drip !! You put it on as much as you want and it stays on the bolt , don’t drip off or get on your tools !! Holds better then the liquid because it don’t drip off before you put it in the hole !! Good product! I don’t use the liquid anymore!
G**F
Easier to Use than Liquid Loctite
Much easier to use & longer lasting than liquid Loctite.
K**K
A must!
A must, better than liquid or gel!
D**R
Works Well
Works well. Is small amount for price.
R**T
Works great
Quility product. Been using it for years
M**L
Less mess and easier to control
This is my first time using this version of red. I find it very easy to use. I was always knocking over and making a mess with the bottles as I sometimes shake. I find it much easier to bring my bolts to this then the bottle to the bolts!
C**.
Good value
It's red Locktite. What's to say. If you know, you know.
M**D
Doesn’t dry out not like the liquid
It must have for any mechanic great gift works better than the liquid
A**R
Works great
Great product and service
R**D
Very Strong Threadlocker — Great for Permanent Fastening
LOCTITE 37700 Red High‑Strength Threadlocker stick works exactly as expected for securing bolts and screws that need a permanent, vibration‑resistant hold. The stick format is easy to apply directly onto threads without squeezing a bottle, and a little goes a long way. Once cured, the bond feels very solid — I tested it on engine mounts and drivetrain bolts with no loosening even under high vibration. Just be sure you really want it locked in, because it’s tough to remove once fully set.
J**D
Way better than the liquid
This is a great option! I carry this in my KLR 650 tool bag. it's small lightweight and best of all it wont break open and spill all over your tools! Just like the other reviews, you get this and you won't go back to the liquid. Worth the price.
T**Y
easy to apply and locked down the threads applied to
very convenient format...easy to apply and locked down the threads applied to .... tested by wrench and they are set up solid.
R**L
Works just like it should
A little pricey, but it goes a long way. This stick will last a long time.
Trustpilot
1 month ago
4 days ago